Governing mechanism for mixed-pressure turbines.



O. JUNGGREN.

GDVBRNING MECHANISM POR MIXED PRESSURE TURBINBS.

APPLICATION FILED SEPT.5,1912.

r llll Il Inventor: O carJun gran,

Vwtnesses:

L ifa- 4.;

W5 t whgg O. JUNGGREN.

GOVERNING MEUHANISM FOR MIXED PRESSURE TURBINBS.

APPLICATION FILED SEPT.5,1912.

1,1 10491- Patented Sept. 15, 1914.

R SHEETS-SHEET 2.

Witnesses: Inventor.:

lglOsczazr- Junggen,

Hisqttorng.

invihanisni nt' thiA vnitrgrvni-.y gg'nwrnnr 5. Whi'n thv guru-nur npc-rains. it lhrn-t will har tmraril thv pistmi rml anil tlismigrijgjiw` thtI t'atih '2 frnni thv ln; r or lnrg'h` 2l. nu inrit tlr `what thiptmition nlE tht \a|\n may liv, Fl`ln` right nl Saiel valtw anil tht-` thrim nt' the spring *.14 ttt (mi-t'. Shut thr ralw. 'lh litt thil ral\il su that the rati-l1 ma); again i-ngagi ital llt;r nr lags. l prm'illt a liitr hanilh i" ailailn'il ln :1 pair nl vainsV 25T whiih innhrliithi` stnilu 5H prnjwting frnin thv mln-a nt thi sli-hre It. By pulling ilnwn nn thi hwr. thv rantsk will rait@ thv ralrv anni itv #twin nntil thilng` snap intl ingagvnivnl with liarati'h.

To ('nalilu thv till-hina to Carry a Constant lumi irrt'npm-tirint' pri-.snilrt rariatinnS. i

mann-rt with thv` ralw raising it. in ailrani-iA z of thi*` Yalw. a Pasing 'i.) rontaining a tlix ililil iliaphragin whirh rinpninla te vhanglw in thil prtssttm of tht* lmwprissiiri strain, 'this iliaphragiin is Unia-,html tn a lvrw' IIt) anil vxvrts its npwartl prusnin'ii against thv tinninn nf a colnprissinn Spring` Il arranged mult-r thu tithe-r [intl nf sairl lmnl'. rmi lL pirntvil tu thii4 t-nil is attac-lnil tn an ailxilY iary floating lvwr 43 pivntt-cl :it une vini tn thtilnating lortr li and at thv nthnr to a linh 4l attai-hvil tn a hl'arfkvt, 4f nn thi.' ratl; l. \i'a`riatinn.-` nl! prlfsnilx'c canso tlw cliaphragin tu fortthvl lcrt'r 42S up nr down, ah thu caw ntlay hv, :intl thasl raisi; nr lrnwr thi pilot valve 9 and (-.ti'net` a Cmrtaspnniling Shift in thv rai-lc anil thv` valve t; an inil'oau in prtssnrc totaling to minst', the \'al\'i. n1' virurcrsa. The connai-tion nfV thv` lvrvr Vlil to the rari( l' prorlin'ih` a t'nllnwi|p" nl'. tout whit-h prvvnts tht: valu: ti l'rmn nim'- ing tra tar at any girvn i-hangu in strain prussarv.

In aifi'nrilanru with thi` provisions* nl thv patt-nt ntatntvs. I hartI ilvsrrihnel thvy prin` cipli. of npvratinn nf nrt invention.y tngithvr with thtI apparatus whit-h l nnw rnnsifivr tu rvprtsi-nt thi` host vnihnilinwnt thm-wif: hat I (hmirv tn ham it nnili'rstnnil that tiny apparatus shriwn is nnly illustrativa. anil that thv inrintinn ran ha i-,arrivil unt h ig nthvr nii-ant'.

lliat i'laiin aH nii and fltsirn tin .Qi-.ffin-i; h r Liittiii` lati-nt ol' the Iinitiil Stains. is:

1. ln i'innliinatinn. a valrt. hiaSLil to ilusvil pmitinn ('nntrnlling a supply ni' inn tiri` fhiiil tn a prima Innrir. a nninlwr t'nr npvrating isaiil ralvie.y a ,gnrtrnnr tur saiil nalnlwr.y a lati'hin;lr inrit-Q i-nnntfting` thil niilnlwrtn thv Valve Stom, AQaiil lati-hing cli-- \iril innring with tho` xntinhnr :intl stein in rfspunsu tra thu s fn.'t=.rn0r, nlians ariaptiii tn lm nnirtil inte: viigagi-anint with :init tu opta atinpnn naiil latvhingr (intimi tn ri-hiasithv miniin any ptiSiliion thvrernt, anil an @murpinir ,[nrtrnnr l'nr moving Haiel Inians.

1f. 'l`hi rnnihinatinn with a ralw runtrol` ling a supply nt' motive hiid tn a primeA ninwr. a nintiir ha tipi-ratingahi alvo anni. a fin irrinir rfnntrwiling thv, hinten'. .wahl nmtm nil ahi ratti livingy illtriihalily rnnnwtvtl ainl thv` ralii: tnnlinj; tn fha-.inhvn thv vom niitiiin ia ri'liawil. nl' a nivnilar parallti to thi: path ni' nniit'nnnt 1.1i' will tlttiac'hahl veinnnrtiiin. aint :in linwrgvniji' gjm'trrnir fm' artnatiinj` eaiii intnihifr tra riliiahn the (zonik, 'lhi rfnnliinatinn nt' a t'ali'ninntirnl ling` a :#npplr nl' nintii'v tlniil tn a prim@y nimmt'. a nintnr hir npifrating Haiti valve hathit=- piiltfin rial in lint` `with tho` ralvu ttvnI. thi, pi1-tnn ruil anil thv valu' Sttni lleingy ilwtarhahly iniinwtwl anil tho valve tnniiiny; tri viiier.- whnn lh viinnlitinn in relnatwiai. :i gmwrnfn Winti-tiling saiii motor, nnana` hir .rvlmhinfg 1hry ihtai'hahlt: c'nnnui'- tinn, aint i-nnrginnv gmhrning nilans,` fol' :initiating will. iai-:linx tn anw Haiti rnnnffiL thin tn liiivhwirweai i. in :i animal i,iii ';-i1ri\ tnrhinc. thi.x 'riinhinatiiin with :i halairwml lira priv-alim valve. mi' an tipvrat'ingg nintnr haring' a pitnn rnd in linti vith thi @than nt itl r:tl\*t..:iisp1'ing rati-li tannini-ting; Haiil rml :nai Hthin. a har paralli! tn tht` path nl' innriincnt 0i' sairl i-atvh. an vnanyjvinv gorra-nm' fnr ar-tnatiing ahl lair th ihtai'h Stahl iatvh. :intl a dash prit hir rhtifliini! thv tlrnp all thi valvti :3. In a niiwti priwlirti tlirhinu, the 00mhinatinn with a halma-ril hnwpriwmn'c valve, nl an nl'nrating nintnr haringi a pistun rmi in lint with tin Stmn nl' Haiil rnlrv, a. Sitzer@ .Lim-nrw] tn wahl lhtx-ni anti prnriihal with one 0r niortl high. a springy rati-h nn thv` rnd u0- npirating with saiil lng@ an tfliiergixwy govi=rnnr. a har having` a. |":iralh\iri|h=r motion ininwitml tn haiil inria-nur anti ataptiil to trip Haiti ratih. a` liuil-f-ehapd portion 0n Said slm-,rin anti a hnaii nn thv. Valve rasingr, C0- npiratinig' thtirvwith tn i'nrin a ilaCihApnti.

t?. in :i inixtil prnmlnii tnrhint.y thi'. umnhinatinn n ith a halanri'el hiv.' prOSHnr valve, nt a :anni tln'ri't'nr having a siii-hut in its1 iippir (-nil. an npvl'ziting nnitfn haring): its ruil in iini nitli Haiti fettina. a Spring in Haiti Aanrlwt ahntting against thv Invita' onil of Haiti rmi. a ihtai'haliln i-nnnwtinn lntnivn .riaiil ruil anil atvni. anti an vnwrgvnry gnvtrnin` ailapti-il tei trip i-:aiil rnnntftinn.

ti' in nihans` hir antcnnatii'ally tripping4 Stihl vini mithin :intl iil'iiiiig www rnEipi-ratingf with Hihi aiuti tn rn titl-w `aiil rnnniftiiiin,

H. in a niiwil prvnrnrenrliinr. thit-nnr llinatilin `aith thihigh prisnrn \:tl\i.-\. :intl tht' hm' priv-Miri Hilti. nl' a nintfn' hir nl mating;4 hnth. aid inntnr htingf litarhahly cnnnnrtiii with nav nf said valves. a nilot valve for said motor, a floating lever connected to said valve, a speed governor connected to said'lever and an auxiliary floating lever also pivoted thereto and to the pist-on rod of said motor, a device responsive to the pressure of the low pressure steam connected to said auxiliary floating lever, and means for releasing the detachable connection.

9. In a mixed pressure turbine, the cornbination with the high pressure valves and the low pressure valve, of a motor for op-.

erating both, a pilot valve for said motor, a iioating lever connected to said pilot valve, a speed governor controlling said pilot valve, an auxiliary floating lever pivoted to the other and pivotally connected to the piston rod of the motor, a diaphragm responsive to the low pressure steam, a lever actuated by said diaphragm, a spring opposing the pressure on said diaphragm, and a rod connecting said lever with the auxiliary fioating lever.

l0. The combination of a valve contro1 ling a supply of motive fluid to a prime mover, a motor for operating said valve having its piston-rod in line with the stem thereof, there being a rack carried by said piston-rod, a shaft having thereon means for actuating valve means controlling another supplyof niotiveluid to said prime mover, and a pinion on said .shaft in engagement with said rack.

ll. The combination of a turbine having a plurality of supplies of motive liuid, valve -means for controlling each of said supplies` a motor for operating both said valve means, a speed governor for controlling said motor, there heilig a detachable connection between said motor and the valve means oontrolling 'one of said supplies, additional valve means for controlling the other of said suppliesand emergency governing means for said turbine for releasing said detachable connection and :rausng the closure of said additional valve means.

In witness whereof, l have hereunto set my hand this 4th day of September, 1912.

OSCAR JUNGGREN. Witnesses:

BENJaMiN B. HUM., HELEN Onroan.

valve for said motor, a floating lever connected to said valve, a speed governor connected to saidlever and an auxiliary loating lever also pivoted thereto and to the piston rod of said motor, a device respons ive to the pressure of the low. pressure steam connected to said auxiliary floating lever, and means for releasing the detachable connection.

9. In a mixed pressure turbine, the combination with the high pressure valves and the low pressure valve, of a motor for op- 10. The combination of a valve controlling a supply ofmotive fluid to a prime mover, a motor for operating said valve havthe case in the Patent Office.

[SEAL] Correction in Letters Patent No. 1,110,491.

ing its piston-rod in line with .the stem thereof, there being a rack carried hy said piston-rod, a shaft having thereon means for actuating valve means controlling another supply of ni'otiveiuid to said prime mover,

and a pinion on said shaft in engagement with said rack.y

11. The combination of a turbine having a'plurality of supplies of motive fluid, valve means for controlling each of said supplies,

a motor for operating both said valve means, a speed governor for controlling said motor, there heilig a detachable connection be: tween said motor and the valve means con-` trolling 'one of said supplies, additional valve means for controlling the other of said supplies, and emergency governing means for said turbine 4for releasing said detachablev connection and causing the closure of said additional. valve means. In Witness whereof, have hereunto set my hand this Ll-th day of September, 1912.

` i v OSCAR JUNGGREN Vitnesses: l

BnNJnMiN B. HULL, HELEN Onronn.

lt is hereby certified that in Letters Patent No. 1,110,491, granted September 15.,

1914, upon the' application of- Oscar Junggren, of Schenectady, New York, for

error appears in the printed specification requiring correction as follews: Page 1,v

should be with this correction therein that the same may conform to the record of Signed and seal-ed this 20th day oqQctober, A. D., 1914.

J. T. NEWTON,

Acting Coa'nmaaoner of Pate'atn an improvement in Governing Mechanism for Mixed-Pressure Turbines, an

line 40, for the word governorread govemz'ng; and that the said Letters Patent l It is hereby certified that in Letters Patent No. 1,110,491, granted September 15,

1914, upon the application of Oscar Junggren, of Schenectady, New York, for

an improvement in Governing Mechanism for Mixed-Pressure Turbines, an

error appears in the printed specification requiring correction as follows: Page l,

line 40, for the word governor read governing; and that the said Letters Patent should be with this correction therein that the same may oonform to the record of the case in the Patent Oee.

Signed and sealed this 20th day of October, A. D., 1914.

[SEAL] J. T. NEWTON,

Acting Commissioner of Patents. 

